Better Data. Better Decisions. Better World.

GuideStar is a vibrant nonprofit, working to support the organizations you care about.

Whether you support a nonprofit that celebrates the arts, protects children, defends the planet or builds sustainable communities, GuideStar provides a free resource to help you with your charitable giving and volunteerism. With GuideStar, information on 2.4 million nonprofit organizations is readily available.

Your tax-deductible gift to GuideStar will ...

  • ensure we can continue to deliver the highest-quality and most comprehensive philanthropic information to inspire you to make researched, thoughtful giving.
  • allow you to connect with a variety of nonprofits to learn about their missions, financials, programs, and impact data through Nonprofit Profiles.
  • improve the experience for you and the millions of people who come to each year—of which more than 99 percent access the information for free.
  • fuel innovation, transparency, and effectiveness in the nonprofit sector to assist all those served by the sector.

Visit our impact page to learn more.

Donate by mail by sending a check payable to GuideStar:

GuideStar USA, Inc.
c/o Development Department
4801 Courthouse Street
Suite 220
Williamsburg, VA 23188

GuideStar is a participant in the Combined Federal Campaign (CFC). If you are a federal or military employee, you may designate your payroll deduction contribution to GuideStar by marking #75786 on your CFC pledge card.